:root {
  --bg: #f6f4ef;
  --fg: #1d1b18;
  --muted: #5f5a52;
  --accent: #8a1c2b;
  --accent-fg: #ffffff;
  --card: #ffffff;
  --line: #d9d3c7;
  --ok: #1f6b3a;
  --err: #a1261a;
  --warn: #8a5a00;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15140f; --fg: #ece8df; --muted: #b3ac9f; --accent: #e26a7b; --accent-fg: #15140f;
    --card: #1f1d17; --line: #3a362d; --ok: #7fd49a; --err: #ff8a7a; --warn: #f0c060;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.top { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--accent); }
.top nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; align-items: center; }
.top nav a { padding: 0.5rem 0; min-height: 44px; display: inline-flex; align-items: center; }

main { max-width: 40rem; margin: 0 auto; padding: 1.5rem 1rem 2rem; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; color: var(--accent); }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }
footer { max-width: 40rem; margin: 0 auto; padding: 1rem; border-top: 1px solid var(--line); font-size: 0.9rem; }
.muted { color: var(--muted); font-size: 0.95rem; }

.env { max-width: 40rem; margin: 0.75rem auto 0; padding: 0 1rem; color: var(--accent); }
.warn { max-width: 40rem; margin: 0.75rem auto 0; padding: 0.5rem 0.75rem; border-inline-start: 4px solid var(--warn); color: var(--fg); }
main .warn { margin: 0.75rem 0; }
.warn-inline { color: var(--warn); font-weight: 600; }
.ok { padding: 0.5rem 0.75rem; border-inline-start: 4px solid var(--ok); }
.err { padding: 0.5rem 0.75rem; border-inline-start: 4px solid var(--err); }
.field-err { color: var(--err); margin: 0.25rem 0 0; font-size: 0.95rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1rem; margin: 0 0 1rem; }
.ok-card { border-inline-start: 4px solid var(--ok); }
.err-card { border-inline-start: 4px solid var(--err); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }

.form { display: grid; gap: 0.35rem; margin: 0 0 1rem; }
.form label { margin-top: 0.6rem; font-weight: 600; }
.form label.check { font-weight: 400; display: flex; gap: 0.5rem; align-items: flex-start; }
input, select { font: inherit; padding: 0.6rem 0.7rem; min-height: 44px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); width: 100%; }
input[type="checkbox"] { width: 1.25rem; min-height: 1.25rem; margin-top: 0.2rem; }
input[aria-invalid="true"] { border-color: var(--err); }
button, .button { font: inherit; font-weight: 600; min-height: 44px; padding: 0.6rem 1.1rem; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-fg); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; touch-action: manipulation; }
.form button { margin-top: 1rem; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
button.link { background: none; color: var(--accent); padding: 0; min-height: 44px; text-decoration: underline; font-weight: 400; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
form.inline { display: inline; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.sessions { list-style: none; padding: 0; margin: 0 0 1rem; }
.sessions li { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; justify-content: space-between; align-items: center; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.steps { padding-inline-start: 1.25rem; }
.steps li { margin-bottom: 1.25rem; }
.secret code, .codes code { font-size: 1.1rem; letter-spacing: 0.05em; overflow-wrap: anywhere; }
.codes { columns: 2; padding-inline-start: 1.25rem; }
.qr { background: #fff; padding: 12px; display: inline-block; border-radius: 6px; }
.qr svg { display: block; width: 200px; height: 200px; }
.stages .pass::marker { color: var(--ok); }
.stages .fail { color: var(--err); }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 0.85rem; }
table.events { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.events th, table.events td { text-align: start; padding: 0.35rem 0; padding-inline-end: 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* Administrators and approvals (1.1.0-dev.1.3) */
.warn-card { border-inline-start: 4px solid var(--warn); }
.people { list-style: none; padding: 0; margin: 0 0 1rem; }
.people li { padding: 0.75rem 0; border-bottom: 1px solid var(--line); display: grid; gap: 0.15rem; }
.people a { font-weight: 600; }
.badge { display: inline-block; font-size: 0.8rem; padding: 0.05rem 0.5rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); margin-inline-end: 0.25rem; }
.badge.active { color: var(--ok); border-color: var(--ok); }
.badge.invited, .badge.pending { color: var(--warn); border-color: var(--warn); }
.badge.deactivated, .badge.rejected { color: var(--err); border-color: var(--err); }
.roles { list-style: none; padding: 0; margin: 0 0 0.75rem; }
.roles li { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; justify-content: space-between; align-items: center; padding: 0.4rem 0; border-bottom: 1px solid var(--line); }
details.action { border-top: 1px solid var(--line); padding: 0.5rem 0; }
details.action summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-weight: 600; color: var(--accent); }
.request { border-top: 1px solid var(--line); padding: 0.75rem 0; }
.request:first-of-type { border-top: 0; }
.link-once { overflow-wrap: anywhere; font-size: 0.95rem; background: var(--bg); padding: 0.5rem; border-radius: 6px; display: block; }
.filter { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: flex-end; margin-bottom: 0.75rem; }
.filter label { display: grid; gap: 0.2rem; font-size: 0.9rem; flex: 1 1 8rem; }
.balance { font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem; font-variant-numeric: tabular-nums; }
table.events td:nth-child(n+3) { text-align: end; font-variant-numeric: tabular-nums; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 0.5rem 1rem; margin: 0.5rem 0; }
.stat-grid div { border-inline-start: 3px solid var(--line); padding-inline-start: 0.5rem; }
.stat-grid strong { display: block; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
ul.alerts { margin: 0.25rem 0 0.5rem; padding-inline-start: 1.1rem; }
ul.alerts li { margin: 0.2rem 0; }
.alert-err strong { color: var(--err); }
.alert-warn strong { color: var(--warn); }
.discrepancy { border-top: 1px solid var(--line); padding-top: 0.5rem; margin-top: 0.5rem; }
table.report td { font-variant-numeric: tabular-nums; }
.scroll:focus-visible { outline: 2px solid var(--accent, currentColor); outline-offset: 2px; }
.scroll { overflow-x: auto; }

/* Lobby, play history and round detail (1.1.0-dev.2.1) */
.lobby { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.game-tile { display: flex; gap: 1rem; align-items: center; margin: 0; }
.game-tile img { flex: 0 0 auto; border-radius: 12px; }
.game-tile h2 { margin: 0 0 0.25rem; }
.game-tile p { margin: 0 0 0.5rem; }
table.history td:first-child { white-space: nowrap; }
.mini-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 56px)); gap: 4px; margin: 0 0 0.75rem; }
.mini-grid span { aspect-ratio: 1; background: #fffaf0; border-radius: 6px; display: flex; align-items: center; justify-content: center; border: 2px solid transparent; }
.mini-grid span.hit { border-color: #c99a00; box-shadow: 0 0 0 2px #f2c230; }
.mini-grid img { width: 85%; height: 85%; }
code { overflow-wrap: anywhere; }

/* 1.2.0-mvp.2: tick boxes sit beside their labels in inline forms; the "newer version waiting" banner. */
.filter label.check { display: flex; flex: 0 0 auto; align-items: center; gap: 0.4rem; }
fieldset.modes { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; }
fieldset.modes > label:not(.check), fieldset.modes > span { flex-basis: 100%; }
.notice.waiting { border: 1px solid currentColor; border-radius: 8px; padding: 0.5rem 0.75rem; margin: 0.5rem 0 0.75rem; }
/* Table limits per game (1.3.2). */
details.limits .limit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .75rem 1rem; }
details.limits .limit-grid label { display: grid; gap: .25rem; }
details.limits .limit-grid .muted { font-size: .85rem; font-weight: 400; }
details.limits fieldset.chips { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; align-items: center; margin: .75rem 0; }
details.limits .row-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
details.limits label.check { display: flex; align-items: center; gap: .4rem; }

/* 1.4.0: Admin → Languages table — plain-size checkboxes and radios, names aligned with the column. */
.lang-table input[type="checkbox"], .lang-table input[type="radio"] { inline-size: auto; block-size: auto; min-block-size: 0; margin: 0; }
table.events.lang-table td, table.events.lang-table th { text-align: start; vertical-align: middle; }
table.events.lang-table td.lang-name[dir="rtl"] { text-align: left; }